diff --git a/platform/none/usbh_lwip.c b/platform/none/usbh_lwip.c
index 16d4f306..d84f02cb 100644
--- a/platform/none/usbh_lwip.c
+++ b/platform/none/usbh_lwip.c
@@ -31,6 +31,10 @@
 #error PBUF_POOL_BUFSIZE must be larger than 1600
 #endif
 
+#if TCPIP_THREAD_STACKSIZE < 1024
+#error "TCPIP_THREAD_STACKSIZE must be >= 1024"
+#endif
+
 // #define CONFIG_USBHOST_PLATFORM_CDC_ECM
 // #define CONFIG_USBHOST_PLATFORM_CDC_RNDIS
 // #define CONFIG_USBHOST_PLATFORM_CDC_NCM
diff --git a/platform/rtthread/usb_check.c b/platform/rtthread/usb_check.c
index de0d4802..10302f4f 100644
--- a/platform/rtthread/usb_check.c
+++ b/platform/rtthread/usb_check.c
@@ -7,11 +7,11 @@
 #endif
 
 #if IDLE_THREAD_STACK_SIZE < 2048
-#error "IDLE_THREAD_STACK_SIZE must be greater than or equal to 2048"
+#error "IDLE_THREAD_STACK_SIZE must be >= 2048"
 #endif
 
 #if RT_TIMER_THREAD_STACK_SIZE < 2048
-#error "RT_TIMER_THREAD_STACK_SIZE must be greater than or equal to 2048"
+#error "RT_TIMER_THREAD_STACK_SIZE must be >= 2048"
 #endif
 
 #endif
diff --git a/platform/rtthread/usbh_lwip.c b/platform/rtthread/usbh_lwip.c
index 074010af..43970555 100644
--- a/platform/rtthread/usbh_lwip.c
+++ b/platform/rtthread/usbh_lwip.c
@@ -44,6 +44,10 @@
 #error PBUF_POOL_BUFSIZE must be larger than 1600
 #endif
 
+#if RT_LWIP_TCPTHREAD_STACKSIZE < 2048
+#error "RT_LWIP_TCPTHREAD_STACKSIZE must be >= 2048"
+#endif
+
 // #define CONFIG_USBHOST_PLATFORM_CDC_ECM
 // #define CONFIG_USBHOST_PLATFORM_CDC_RNDIS
 // #define CONFIG_USBHOST_PLATFORM_CDC_NCM